1 Division of Gastroenterology and Hepatology, Department of Medicine and Therapeutics, Prince of Wales Hospital, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong, China.
2 Institute of Digestive Disease, State Key Laboratory of Digestive Disease, Chinese University of Hong Kong, Hong Kong, China.
3 Division of Gastroenterology and Hepatology, Department of Medicine, Rajavithi Hospital, Ministry of Public Health, College of Medicine, Rangsit University, Bangkok, Thailand.
4 Department of Pediatrics, Taipei Medical University Hospital, Taipei, Taiwan.
5 Taipei Medical University Research Center for Digestive Medicine, Taipei Medical University, Taipei, Taiwan.
6 Internal Medicine Faculty, Hanoi Medical University and Endoscopic Centre, Hanoi Medical University Hospital, Hanoi, Vietnam.
7 Washington University in St. Louis, St. Louis, Missouri, USA.
8 Division of Gastroenterology and Hepatology, Department of Medicine, National University Hospital, Singapore.
9 Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
10 Division of Gastroenterology, Department of Internal Medicine, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, South Korea.
11 Endoscopy Center, Mongolia-Japan Hospital, Mongolian National University of Medical Sciences, Ulaanbaatar, Mongolia.
12 Department of Medical Gastroenterology, Asian Institute of Gastroenterology, Hyderabad, India.
13 Department of Gastroenterology, Graduate School of Medicine, Osaka Metropolitan University, Osaka, Japan.
14 College of Medicine, University of the Philippines, Manila, The Philippines.
15 Department of Gastroenterology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, South Korea.
16 Division of Gastroenterology, Pancreatobiliary and Digestive Endoscopy, Department of Internal Medicine, Faculty of Medicine Universitas Indonesia, Cipto Mangunkusumo National General Hospital, Jakarta, Indonesia.
17 Division of Gastroenterology and Hepatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
18 Institute of Gastrosciences and Liver Transplant, Apollo Multispeciality Hospital, Kolkata, India.
19 Hue University of Medicine and Pharmacy, Hue, Vietnam.
20 University Medicine Greifswald, Greifswald, Germany.
21 First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China.
22 Gastroenterology Unit, Department of Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia.
23 School of Medical and Life Sciences, Sunway University, Kuala Lumpur, Malaysia.